std_msgs/Header header

int32 task_id
int32 nGen_task_id
int32 task_op
int32 task_type #0->不需要装卸箱，1-> 往车上装箱 2-> 从车上卸箱 
int32 container_type #1->40尺或者双20尺 2->前20尺 3-> 后20尺
int32 area #6堆场 2QC 3TS
float32 dest_x
float32 dest_y
float32 heading
string block_id
string stack_id
string crane_id
string lane_id
string spreader_type
bool overtake
bool allow_lanechange
float32 max_speed
int32 force_overtake
bool routing_require